[FFmpeg-devel] H263 decoding crash, [BUG] : reading memory past the end of the buffer.

[Eric Bellotti]

> > If I had control, I would add in debug mode code that 
> checks provided 
> > buffer that FF_INPUT_BUFFER_PADDING_SIZE bytes past the end are 
> > readable. So that at least with debug build it would be caught 
> > instantly, not like rarely after running it for long time 
> in release 
> > only.
> 
> I'd be interested to know how you think that should work.
> Unless you assume debug builds are always run with valgrind...
>

Would be great, but I can't think of any standard way of doing this.
Plus, the buffer passed to avcodec_decode could have been allocated with
a different memory allocator than that what libavcodec was compiled
with...